Table 7. Vitamin E and Cancer Studies
| Study Location
| Study Size
| General Findings
| Reference: Primary Author
|
| United States
| 59 separate populations
| Antioxidant supplementation modestly protects against several cancers
| Patterson
|
| United States
| 1,201
| Vitamin E and beta-carotene protective against certain cancers
| Comstock
|
| Finland
| 2,175
| Low vitamin E plasma levels associated with increased risk of certain cancers
| Knekt
|
| United States
| 350
| Gamma-tocopherol may protect against subsequent prostate cancer
| Helzlsouer
|
| United States
| in vitro
| Vitamin E succinate modifies and suppresses human promyelocytic leukemia cells
| Turley
|
| United States
| in vitro
| Vitamin E succinate triggers apoptosis in human prostate cancer cells but not normal prostate cells
| Isreal
|
| United States
| in vitro
| Tocotrienols induce apoptosis of human breast cancer cells
| Yu
|
| Malaysia
| in vitro
| Tocotrienols inhibit growth of human breast cancer cells
| Nesaretnam
|
| United States
| 315
| Some carotenoids inversely associated with breast cancer risk
| Dorgan
|
| Canada
| mice
| Vitamin E acetate reduces tumor cell activity in the mouse model
| Sandhu
|